Useful english dictionary. 2012.

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  • midwater — pertaining to the mesopelagic zone; any part of the water column between the surface and the bottom …   Dictionary of ichthyology

  • midwater — noun The middle part of a body of water …   Wiktionary

  • Midwater trawling — is trawling, or net fishing, at a depth that is higher in the water column than the bottom of the ocean. It is contrasted with bottom trawling. Midwater trawling is also known as pelagic trawling and bottom trawling as benthic trawling. External… …   Wikipedia

  • midwater otter trawl — midwater trawl …   Dictionary of ichthyology

  • midwater trawl — a net towed through the water column by one boat, the net being positioned above the bottom and below the surface. It may have otter doors that function to keep the net mouth open and depressor plates that function to make it fish deeper, or two… …   Dictionary of ichthyology

  • midwater pair trawl — a net towed through the water column by two boats, thus ensuring the horizontal opening of the net. Such nets are designed and rigged to work in midwater. Surface trawls are also included in this category …   Dictionary of ichthyology

  • midwater drift — operation of gillnets between the bottom and the surface of a water body …   Dictionary of ichthyology

  • Larsen midwater trawl — a wingless, midwater trawl with a square mouth towed between two boats. Also called atom trawl, Larsen trawl, floating trawl, Larsen two boat trawl, two boat pelagic trawl …   Dictionary of ichthyology

  • Isaac-Kidd midwater trawl — a trawl designed for catching small organisms, including fish, at great depth. Used by researchers …   Dictionary of ichthyology

  • Trawling — is a method of fishing that involves pulling a large fishing net through the water behind one or more boats. The net that is used for trawling is called a trawl.The boats that are used for trawling are called trawlers. Trawlers vary in size; from …   Wikipedia

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